iphone – UIDatePicker在UIActionSheet在iPad上

概述在我的应用程序的iPhone版本中,我在UIActionSheet中有一个UIDatePicker.它显示正确.我现在正在设置iPad版本的应用程序,当在iPad上查看时,UIActionSheet显示为空白框. 这是我正在使用的代码： UIDatePicker *datePickerView = [[UIDatePicker alloc] init]; datePickerView.da 在我的应用程序的iPhone版本中,我在UIActionSheet中有一个UIDatePicker.它显示正确.我现在正在设置iPad版本的应用程序,当在iPad上查看时,UIActionSheet显示为空白框.

这是我正在使用的代码：

UIDatePicker *datePickerVIEw = [[UIDatePicker alloc] init];    datePickerVIEw.datePickerMode = UIDatePickerModeDate;    self.dateActionSheet = [[UIActionSheet alloc] initWithTitle:@"Choose a Follow-up Date"                                                   delegate:self cancelbuttonTitle:nil                                      destructivebuttonTitle:nil otherbuttonTitles:@"Done",nil];    [self.dateActionSheet showInVIEw:self.vIEw];    [self.dateActionSheet addSubvIEw:datePickerVIEw];    [self.dateActionSheet sendSubvIEwToBack:datePickerVIEw];    [self.dateActionSheet setBounds:CGRectMake(0,320,500)];    CGRect pickerRect = datePickerVIEw.bounds;    pickerRect.origin.y = -95;    datePickerVIEw.bounds = pickerRect;

解决方法 我最终为iPad Popover创建了一个单独的代码段：

//build our custom popover vIEwUIVIEwController* popoverContent = [[UIVIEwController alloc] init];UIVIEw* popoverVIEw = [[UIVIEw alloc] initWithFrame:CGRectMake(0,344)];popoverVIEw.backgroundcolor = [UIcolor whitecolor];datePicker.frame = CGRectMake(0,44,300);[popoverVIEw addSubvIEw:toolbar];[popoverVIEw addSubvIEw:datePicker];popoverContent.vIEw = popoverVIEw;//resize the popover vIEw shown//in the current vIEw to the vIEw's sizepopoverContent.contentSizeforVIEwInPopover = CGSizeMake(320,244);//create a popover controllerUIPopoverController *popoverController = [[UIPopoverController alloc] initWithContentVIEwController:popoverContent];//present the popover vIEw non-modal with a//refrence to the button pressed within the current vIEw[popoverController presentPopoverFrombarbuttonItem:self.navigationItem.leftbarbuttonItem                           permittedArrowDirections:UIPopoverArrowDirectionAny                                           animated:YES];//release the popover content[popoverVIEw release];[popoverContent release];

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